"Increased German aerial mining activities are noted off Anzio."

TUE 11 APR 1944
Pacific
Submarine Redfin (SS-272) sinks Japanese destroyer Akigumo in eastern entrance to Basilan Strait, 06°43'N, 122°23'E.

PB4Y sinks Japanese ship Sh_sei Maru [sic] off Vanimo.

Mediterranean
Convoy GUS 37 is attacked by German bombers and torpedo bombers east of Algiers. Destroyer escort Holder (DE-401) is damaged by aerial torpedo 35 miles northeast of Algiers, 37°03'N, 03°58'E, as she lays smoke ahead of the convoy. Freighter Charles Piez is damaged by strafing, 37°10'N, 03°45'E; her crew (including a 28- man Armed Guard), however, suffers no casualties. Aerial torpedoes narrowly miss destroyer escorts Stanton (DE-247) and Swasey (DE-248).

Increased German aerial mining activities are noted off Anzio.